#include "gd32f10x.h"                   // Device header
#include "bsp.h"
int main(void)
{
    uint16_t count = 0;
    bsp_init();
    while(1)
    {
        LED0=~LED0;
        delay_ms(500);
        count++;
        printf("System has run for %d second \r\n", count);
    }
}
